A man accused of driving drunk during ROT Rally, allegedly causing the death of a motorcyclist and a newborn, is facing a second manslaughter charge, court documents revealed Monday.

According to the Texas Department of Public Safety, the driver of a Ford F-150 -- identified as 41-year-old Cesar Corona-Quiterio -- was heading north on FM 973 in East Travis County when a truck veered into the southbound lanes and struck the 2001 Yamaha motorcycle. Austin-Travis County EMS said the crash was around 4:15 p.m. in the 3500 block of South FM 973.

Troopers said the driver of the motorcycle, identified as 28-year-old Raul Diaz, died at the scene. Estefania Soto, 26, who was seven months pregnant at the time, was transported to Dell Seton Medical Center with critical, life-threatening injuries after she was thrown from the motorcycle. According to an affidavit, Soto delivered her baby through a Cesarean section, but the baby only lived for 30 minutes.

Cesar Corona-Quiterio.
(Photo: APD)

DPS said Corona-Quiterio, was arrested and is charged with two counts of intoxication manslaughter with a vehicle and intoxication assault with a vehicle. According to an arrest affidavit, Corona-Quiterio was found driving without a Texas Driver License and only had a Mexican Consulate ID card. Officials also said Corona-Quiterio showed signs of being intoxicated by his slurred speech and unsteady balance as he walked.

Online records at the Travis County Jail state he is being held on a combined $2.1 million bond and a U.S. immigration and naturalization service detainer.